Debt (Stated Rates) (Details)	Feb. 03, 2018	Jan. 28, 2017
6.38% Series A Senior Notes due 2018 | Senior Notes due 2018
Debt Instrument [Line Items]
Unsecured senior notes interest rate (in percentage)	6.38%	6.38%
6.53% Series B Senior Notes due 2021 | Senior Notes due 2021
Debt Instrument [Line Items]
Unsecured senior notes interest rate (in percentage)	6.53%	6.53%
3.375% Senior Notes due 2024 | Senior Notes due 2024
Debt Instrument [Line Items]
Unsecured senior notes interest rate (in percentage)	3.375%	3.375%